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March 2007

Eastern Redbud (Cercis canadensis)

This tree is native to the Midwest and Eastern United States and is hardy in zones 4 to 9.(State tree of Oklahoma) A rather rapidly growing but small tree, reaching heights of 25-35 feet tall, however in most urban situations it is more likely to reach 15’×15’. The tiered and …

Tasmanian Tree Fern (Dicksonia antartica)

  This hardy and rather slowing tree fern, known commonly as the Soft Tree Fern, Man Fern or Tasmanian Tree Fern is an evergreen tree fern native to parts of Australia, namely New South Wales, Tasmania, and Victoria. Hardy to 20 degrees Fahrenheit, this is the most cold hardy of …

Coast Leucothoe (Leucothoe axillaris)

Native to the United States from Virginia to Florida and west to Mississippi. This rather flowing evergreen shrub performs rather well in the shade and is hardy in zones 5-8. Growing 2-4’ high and 4-6’ wide. Its arching branches and spreading habit make this a great plant for foundation planting …

Verticillium Wilt

Plants infected by Verticillium Wilt develop in response to water stress. Symptoms range from sudden wilt of individual branches to basic leaf scorch, stunted leaves, and branch die-back that occurs over a period of years. In many instances, symptoms develop only on one side of an infected tree. Larger infected …

Black Walnut (Juglans nigra)

  The Black Walnut is a very large tree, not to be used in the small residential landscape situation. Native to North America, mostly along the rivers from Ontario in the north to Georgia and Florida in the south and as far west as central Texas. Reaching heights of 50-75 …

Dawn Redwood (Metasequoia glyptostroboides)

One of the very few deciduous conifers, the Dawn Redwood is a great tree. Its pyramidal habit and straight trunk in youth become broader and rounded as it ages. Hardy in zones 4-8. The 1/2″ long and 1/16″ wide needles of this conifer are arranged oppositely along the rather slender …

Red Horsechestnut (Aesculus x carnea)

The Red Horsechestnut has a rounded to wide rounded canopy that reaches 40 feet tall by 30 feet wide at maturity. This is a hybrid that is a result of a cross between Aesculus pavia and Aesculus hippocastanum, hardy in zones 3-7. Dark green leaves made of 5 leaflets, occasionally …